21361036748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4195019}}^1$

素因数の和:4195109

約数の個数: 24

約数和(自身を含む): 39936590400

約数和(自身を除く): 18575553652

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 4195019, 8390038, 16780076, 79705361, 159410722, 281066273, 318821444, 562132546, 1124265092, 5340259187, 10680518374, 21361036748]

約数ペア:

[(1, 21361036748), (2, 10680518374), (4, 5340259187), (19, 1124265092), (38, 562132546), (67, 318821444), (76, 281066273), (134, 159410722), (268, 79705361), (1273, 16780076), (2546, 8390038), (5092, 4195019)]